1. Base oils

1.1 Vegetable oils

The use of vegetable oils, in particular rapeseed oil, is currently enjoying renewed interest for the preparation of certain biodegradable lubricants (green lubricants) intended either for lost-oil lubrication applications (chain lubricants for wood chain saws, chain lubricants for two-wheeled vehicles, etc.), or for the lubrication of hydraulic equipment working outdoors but under little thermal stress, when there is a risk of pollution of the natural environment by leaking fluids.This is the case for agricultural and forestry hydraulic equipment and...